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Balanced Amplifier Theory, Operations and Applications

A balanced amplifier is the proper term for a pair of devices operated in quadrature phase and combined to amplify a signal. Quadrature simply means that signals incident upon the devices are 90⁰ out-of-phase with one another. The term “quadrature-combined pair” (often shortened to simply “quad-combined pair”) is perhaps just as common as “balanced amplifier,” and both are as identical as “PTFE” is to “Teflon®.”

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Product News

Amplifiers:

  • Wideband Wideband Amplifier, 37 dB Gain, ±2.0 dB Flatness, 50Ω
    • ZVA-02443HPX+, 2 GHz to 43.5 GHz
  • Wideband LNA, 45 dB Gain, 1.7 dB NF, 50Ω
    • ZVA-24443G1X+, 24 GHz to 43.5 GHz

Filters

  • LTCC Low Pass Filter, 1W, 1210, 50Ω
    • LFCV-2022+, DC to 20 GHz
  • LTCC Low Pass Filter, 1W, 1210, 50Ω
    • LFCV-2202+, DC to 22 GHz

Switch

  • Solid State SP4T Switch, USB control, Daisy Chain up to 25 Devices
    • USB-1SP4T-A673, 100 MHz to 67 GHz

Together with our suppliers we are constantly working to shorten the time between order and delivery however due to current material shortage lead times for some models are still longer than usual so please take this into account when placing your order.